[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. syzkaller login: [ 65.810149][ T8500] IPVS: ftp: loaded support on port[0] = 21 [ 65.901428][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 65.956939][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.965765][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.974457][ T8500] device bridge_slave_0 entered promiscuous mode [ 65.984315][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.991952][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.002428][ T8500] device bridge_slave_1 entered promiscuous mode [ 66.023219][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.034553][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.058522][ T8500] team0: Port device team_slave_0 added [ 66.067021][ T8500] team0: Port device team_slave_1 added [ 66.085912][ T8500] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 66.093112][ T8500] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.119762][ T8500] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 66.133627][ T8500] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 66.141035][ T8500] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 66.169530][ T8500] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 66.197867][ T8500] device hsr_slave_0 entered promiscuous mode [ 66.206099][ T8500] device hsr_slave_1 entered promiscuous mode [ 66.309778][ T8500] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.326521][ T8500] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.336087][ T8500] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.349352][ T8500] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.376405][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.383710][ T8500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.391901][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.398975][ T8500] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.446442][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.459968][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.473249][ T3004] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.482508][ T3004] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.490342][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.504104][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.516863][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.526173][ T3004] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.533321][ T3004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.552720][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.562020][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.569149][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.582459][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.592890][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.605209][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.618452][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.633678][ T8500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.646640][ T8500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.656959][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.676671][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.684232][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.698925][ T8500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.718106][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.738330][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.747559][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.755997][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.769669][ T8500] device veth0_vlan entered promiscuous mode [ 66.785280][ T8500] device veth1_vlan entered promiscuous mode [ 66.807750][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.816066][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.826482][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.838540][ T8500] device veth0_macvtap entered promiscuous mode [ 66.849697][ T8500] device veth1_macvtap entered promiscuous mode [ 66.868499][ T8500] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.876323][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.887091][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.898952][ T8500] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.907062][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 66.917457][ T8706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.930120][ T8500] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.942312][ T8500] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.955707][ T8500] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 66.967470][ T8500] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 67.014019][ T8500] [ 67.016374][ T8500] ======================================================== [ 67.023741][ T8500] WARNING: possible irq lock inversion dependency detected [ 67.030916][ T8500] 5.10.0-rc4-next-20201117-syzkaller #0 Not tainted [ 67.037585][ T8500] -------------------------------------------------------- [ 67.044773][ T8500] syz-executor335/8500 just changed the state of lock: [ 67.051699][ T8500] ffff888012a010c0 (&new->fa_lock){.+..}-{2:2}, at: kill_fasync+0x14b/0x460 [ 67.060713][ T8500] but this lock was taken by another, HARDIRQ-safe lock in the past: [ 67.068848][ T8500] (&dev->event_lock){-...}-{2:2} [ 67.068860][ T8500] [ 67.068860][ T8500] [ 67.068860][ T8500] and interrupts could create inverse lock ordering between them. [ 67.068860][ T8500] [ 67.088287][ T8500] [ 67.088287][ T8500] other info that might help us debug this: [ 67.096326][ T8500] Chain exists of: [ 67.096326][ T8500] &dev->event_lock --> &client->buffer_lock --> &new->fa_lock [ 67.096326][ T8500] [ 67.109770][ T8500] Possible interrupt unsafe locking scenario: [ 67.109770][ T8500] [ 67.118789][ T8500] CPU0 CPU1 [ 67.124589][ T8500] ---- ---- [ 67.129987][ T8500] lock(&new->fa_lock); [ 67.134226][ T8500] local_irq_disable(); [ 67.141122][ T8500] lock(&dev->event_lock); [ 67.148187][ T8500] lock(&client->buffer_lock); [ 67.155656][ T8500] [ 67.159112][ T8500] lock(&dev->event_lock); [ 67.163858][ T8500] [ 67.163858][ T8500] *** DEADLOCK *** [ 67.163858][ T8500] [ 67.173084][ T8500] 3 locks held by syz-executor335/8500: [ 67.178620][ T8500] #0: ffffffff8b339ca0 (rcu_read_lock){....}-{1:2}, at: sock_def_error_report+0x0/0x4c0 [ 67.191033][ T8500] #1: ffffffff8b339ca0 (rcu_read_lock){....}-{1:2}, at: sock_def_error_report+0x1cc/0x4c0 [ 67.201064][ T8500] #2: ffffffff8b339ca0 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x3d/0x460 [ 67.210146][ T8500] [ 67.210146][ T8500] the shortest dependencies between 2nd lock and 1st lock: [ 67.219608][ T8500] -> (&dev->event_lock){-...}-{2:2} { [ 67.225163][ T8500] IN-HARDIRQ-W at: [ 67.229438][ T8500] lock_acquire+0x2a3/0x8c0 [ 67.235941][ T8500] _raw_spin_lock_irqsave+0x39/0x50 [ 67.243111][ T8500] input_event+0x7b/0xb0 [ 67.249327][ T8500] psmouse_report_standard_buttons+0x2c/0x80 [ 67.257291][ T8500] psmouse_process_byte+0x1e1/0x890 [ 67.264475][ T8500] psmouse_handle_byte+0x41/0x1b0 [ 67.271475][ T8500] psmouse_interrupt+0x304/0xf00 [ 67.278385][ T8500] serio_interrupt+0x88/0x150 [ 67.285032][ T8500] i8042_interrupt+0x27a/0x520 [ 67.291875][ T8500] __handle_irq_event_percpu+0x303/0x8f0 [ 67.299496][ T8500] handle_irq_event+0x102/0x290 [ 67.306324][ T8500] handle_edge_irq+0x25f/0xd00 [ 67.313062][ T8500] asm_call_irq_on_stack+0xf/0x20 [ 67.320078][ T8500] common_interrupt+0x120/0x200 [ 67.326951][ T8500] asm_common_interrupt+0x1e/0x40 [ 67.334092][ T8500] _raw_spin_unlock_irqrestore+0x25/0x50 [ 67.342278][ T8500] i8042_command+0x12e/0x150 [ 67.348970][ T8500] i8042_aux_write+0xd7/0x120 [ 67.355656][ T8500] ps2_do_sendbyte+0x2ca/0x710 [ 67.362417][ T8500] ps2_sendbyte+0x58/0x150 [ 67.368804][ T8500] cypress_ps2_sendbyte+0x2e/0x160 [ 67.375988][ T8500] cypress_send_ext_cmd+0x1d0/0x8d0 [ 67.383262][ T8500] cypress_detect+0x75/0x190 [ 67.389828][ T8500] psmouse_try_protocol+0x211/0x370 [ 67.397203][ T8500] psmouse_extensions+0x557/0x930 [ 67.404253][ T8500] psmouse_switch_protocol+0x52a/0x740 [ 67.412119][ T8500] psmouse_connect+0x5e6/0xfc0 [ 67.418949][ T8500] serio_driver_probe+0x72/0xa0 [ 67.425981][ T8500] really_probe+0x291/0xde0 [ 67.432571][ T8500] driver_probe_device+0x26b/0x3d0 [ 67.439655][ T8500] device_driver_attach+0x228/0x290 [ 67.446843][ T8500] __driver_attach+0x15b/0x2f0 [ 67.453579][ T8500] bus_for_each_dev+0x147/0x1d0 [ 67.460411][ T8500] serio_handle_event+0x5f6/0xa30 [ 67.468052][ T8500] process_one_work+0x933/0x15a0 [ 67.475046][ T8500] worker_thread+0x64c/0x1120 [ 67.481997][ T8500] kthread+0x3af/0x4a0 [ 67.488139][ T8500] ret_from_fork+0x1f/0x30 [ 67.494608][ T8500] INITIAL USE at: [ 67.498656][ T8500] lock_acquire+0x2a3/0x8c0 [ 67.505045][ T8500] _raw_spin_lock_irqsave+0x39/0x50 [ 67.512148][ T8500] input_inject_event+0xa6/0x310 [ 67.519093][ T8500] led_set_brightness_nosleep+0xe6/0x1a0 [ 67.526643][ T8500] led_set_brightness+0x134/0x170 [ 67.533558][ T8500] led_trigger_event+0x70/0xd0 [ 67.540246][ T8500] kbd_led_trigger_activate+0xfa/0x130 [ 67.547589][ T8500] led_trigger_set+0x61e/0xbd0 [ 67.554237][ T8500] led_trigger_set_default+0x1a6/0x230 [ 67.561594][ T8500] led_classdev_register_ext+0x5b1/0x7c0 [ 67.569113][ T8500] input_leds_connect+0x3fb/0x740 [ 67.576020][ T8500] input_attach_handler+0x180/0x1f0 [ 67.583118][ T8500] input_register_device.cold+0xf0/0x307 [ 67.590642][ T8500] atkbd_connect+0x736/0xa00 [ 67.597134][ T8500] serio_driver_probe+0x72/0xa0 [ 67.603886][ T8500] really_probe+0x291/0xde0 [ 67.611070][ T8500] driver_probe_device+0x26b/0x3d0 [ 67.618164][ T8500] device_driver_attach+0x228/0x290 [ 67.625252][ T8500] __driver_attach+0x15b/0x2f0 [ 67.631918][ T8500] bus_for_each_dev+0x147/0x1d0 [ 67.638870][ T8500] serio_handle_event+0x5f6/0xa30 [ 67.645902][ T8500] process_one_work+0x933/0x15a0 [ 67.652777][ T8500] worker_thread+0x64c/0x1120 [ 67.659766][ T8500] kthread+0x3af/0x4a0 [ 67.665768][ T8500] ret_from_fork+0x1f/0x30 [ 67.672066][ T8500] } [ 67.674722][ T8500] ... key at: [] __key.8+0x0/0x40 [ 67.682405][ T8500] ... acquired at: [ 67.686366][ T8500] _raw_spin_lock+0x2a/0x40 [ 67.691033][ T8500] evdev_pass_values.part.0+0xf6/0x970 [ 67.696652][ T8500] evdev_events+0x28b/0x3f0 [ 67.704117][ T8500] input_to_handler+0x2a0/0x4c0 [ 67.709141][ T8500] input_pass_values.part.0+0x284/0x700 [ 67.714856][ T8500] input_handle_event+0x324/0x1400 [ 67.720435][ T8500] input_inject_event+0x2f5/0x310 [ 67.725630][ T8500] evdev_write+0x430/0x760 [ 67.731583][ T8500] vfs_write+0x28e/0xa30 [ 67.737656][ T8500] ksys_write+0x1ee/0x250 [ 67.742150][ T8500] do_syscall_64+0x2d/0x70 [ 67.746837][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.752966][ T8500] [ 67.755270][ T8500] -> (&client->buffer_lock){....}-{2:2} { [ 67.761075][ T8500] INITIAL USE at: [ 67.765036][ T8500] lock_acquire+0x2a3/0x8c0 [ 67.771714][ T8500] _raw_spin_lock+0x2a/0x40 [ 67.777933][ T8500] evdev_pass_values.part.0+0xf6/0x970 [ 67.785100][ T8500] evdev_events+0x28b/0x3f0 [ 67.791312][ T8500] input_to_handler+0x2a0/0x4c0 [ 67.797882][ T8500] input_pass_values.part.0+0x284/0x700 [ 67.805134][ T8500] input_handle_event+0x324/0x1400 [ 67.811954][ T8500] input_inject_event+0x2f5/0x310 [ 67.818685][ T8500] evdev_write+0x430/0x760 [ 67.824810][ T8500] vfs_write+0x28e/0xa30 [ 67.830760][ T8500] ksys_write+0x1ee/0x250 [ 67.836798][ T8500] do_syscall_64+0x2d/0x70 [ 67.842937][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.850532][ T8500] } [ 67.853099][ T8500] ... key at: [] __key.4+0x0/0x40 [ 67.860259][ T8500] ... acquired at: [ 67.864127][ T8500] _raw_read_lock+0x5b/0x70 [ 67.868778][ T8500] kill_fasync+0x14b/0x460 [ 67.873347][ T8500] evdev_pass_values.part.0+0x64e/0x970 [ 67.879042][ T8500] evdev_events+0x28b/0x3f0 [ 67.883702][ T8500] input_to_handler+0x2a0/0x4c0 [ 67.888711][ T8500] input_pass_values.part.0+0x284/0x700 [ 67.894401][ T8500] input_handle_event+0x324/0x1400 [ 67.899656][ T8500] input_inject_event+0x2f5/0x310 [ 67.904845][ T8500] evdev_write+0x430/0x760 [ 67.909466][ T8500] vfs_write+0x28e/0xa30 [ 67.913862][ T8500] ksys_write+0x1ee/0x250 [ 67.918461][ T8500] do_syscall_64+0x2d/0x70 [ 67.923047][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.929082][ T8500] [ 67.931382][ T8500] -> (&new->fa_lock){.+..}-{2:2} { [ 67.936477][ T8500] HARDIRQ-ON-R at: [ 67.940458][ T8500] lock_acquire+0x2a3/0x8c0 [ 67.946582][ T8500] _raw_read_lock+0x5b/0x70 [ 67.952719][ T8500] kill_fasync+0x14b/0x460 [ 67.958756][ T8500] sock_wake_async+0xd2/0x160 [ 67.965057][ T8500] sock_def_error_report+0x2cd/0x4c0 [ 67.971986][ T8500] sock_queue_err_skb+0x37b/0x750 [ 67.978631][ T8500] __skb_complete_tx_timestamp+0x308/0x420 [ 67.986068][ T8500] __skb_tstamp_tx+0x402/0x770 [ 67.992455][ T8500] __dev_queue_xmit+0x1dd4/0x2da0 [ 67.999102][ T8500] packet_sendmsg+0x2413/0x52b0 [ 68.005601][ T8500] sock_sendmsg+0xcf/0x120 [ 68.011663][ T8500] ____sys_sendmsg+0x331/0x810 [ 68.018048][ T8500] ___sys_sendmsg+0xf3/0x170 [ 68.024270][ T8500] __sys_sendmmsg+0x195/0x470 [ 68.030568][ T8500] __x64_sys_sendmmsg+0x99/0x100 [ 68.037138][ T8500] do_syscall_64+0x2d/0x70 [ 68.043179][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.050691][ T8500] INITIAL READ USE at: [ 68.054995][ T8500] lock_acquire+0x2a3/0x8c0 [ 68.061500][ T8500] _raw_read_lock+0x5b/0x70 [ 68.067970][ T8500] kill_fasync+0x14b/0x460 [ 68.074354][ T8500] evdev_pass_values.part.0+0x64e/0x970 [ 68.081879][ T8500] evdev_events+0x28b/0x3f0 [ 68.088364][ T8500] input_to_handler+0x2a0/0x4c0 [ 68.095197][ T8500] input_pass_values.part.0+0x284/0x700 [ 68.102711][ T8500] input_handle_event+0x324/0x1400 [ 68.109788][ T8500] input_inject_event+0x2f5/0x310 [ 68.116799][ T8500] evdev_write+0x430/0x760 [ 68.123213][ T8500] vfs_write+0x28e/0xa30 [ 68.129491][ T8500] ksys_write+0x1ee/0x250 [ 68.135802][ T8500] do_syscall_64+0x2d/0x70 [ 68.142195][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.150068][ T8500] } [ 68.154471][ T8500] ... key at: [] __key.0+0x0/0x40 [ 68.161545][ T8500] ... acquired at: [ 68.165326][ T8500] __lock_acquire+0x1216/0x5c00 [ 68.170323][ T8500] lock_acquire+0x2a3/0x8c0 [ 68.174977][ T8500] _raw_read_lock+0x5b/0x70 [ 68.179658][ T8500] kill_fasync+0x14b/0x460 [ 68.184234][ T8500] sock_wake_async+0xd2/0x160 [ 68.189060][ T8500] sock_def_error_report+0x2cd/0x4c0 [ 68.194494][ T8500] sock_queue_err_skb+0x37b/0x750 [ 68.199970][ T8500] __skb_complete_tx_timestamp+0x308/0x420 [ 68.205937][ T8500] __skb_tstamp_tx+0x402/0x770 [ 68.210869][ T8500] __dev_queue_xmit+0x1dd4/0x2da0 [ 68.216940][ T8500] packet_sendmsg+0x2413/0x52b0 [ 68.221936][ T8500] sock_sendmsg+0xcf/0x120 [ 68.226497][ T8500] ____sys_sendmsg+0x331/0x810 [ 68.231407][ T8500] ___sys_sendmsg+0xf3/0x170 [ 68.236142][ T8500] __sys_sendmmsg+0x195/0x470 [ 68.240964][ T8500] __x64_sys_sendmmsg+0x99/0x100 [ 68.246065][ T8500] do_syscall_64+0x2d/0x70 [ 68.252031][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.258074][ T8500] [ 68.260377][ T8500] [ 68.260377][ T8500] stack backtrace: [ 68.266243][ T8500] CPU: 0 PID: 8500 Comm: syz-executor335 Not tainted 5.10.0-rc4-next-20201117-syzkaller #0 [ 68.276186][ T8500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.286330][ T8500] Call Trace: [ 68.289607][ T8500] dump_stack+0x107/0x163 [ 68.293921][ T8500] mark_lock.cold+0x1a/0x74 [ 68.298416][ T8500] ? lock_chain_count+0x20/0x20 [ 68.303251][ T8500] ? mark_lock+0xf7/0x24c0 [ 68.307693][ T8500] ? lock_chain_count+0x20/0x20 [ 68.312521][ T8500] ? register_lock_class+0x60a/0x14e0 [ 68.317866][ T8500] __lock_acquire+0x1216/0x5c00 [ 68.323272][ T8500] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.329238][ T8500] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.335233][ T8500] lock_acquire+0x2a3/0x8c0 [ 68.339713][ T8500] ? kill_fasync+0x14b/0x460 [ 68.344277][ T8500] ? lock_release+0x710/0x710 [ 68.348923][ T8500] ? lock_release+0x710/0x710 [ 68.353615][ T8500] _raw_read_lock+0x5b/0x70 [ 68.358141][ T8500] ? kill_fasync+0x14b/0x460 [ 68.362704][ T8500] kill_fasync+0x14b/0x460 [ 68.367104][ T8500] sock_wake_async+0xd2/0x160 [ 68.372003][ T8500] sock_def_error_report+0x2cd/0x4c0 [ 68.377558][ T8500] sock_queue_err_skb+0x37b/0x750 [ 68.382820][ T8500] __skb_complete_tx_timestamp+0x308/0x420 [ 68.388734][ T8500] __skb_tstamp_tx+0x402/0x770 [ 68.393488][ T8500] __dev_queue_xmit+0x1dd4/0x2da0 [ 68.398492][ T8500] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 68.403767][ T8500] ? packet_parse_headers+0x343/0x490 [ 68.409261][ T8500] ? packet_parse_headers+0x11d/0x490 [ 68.414814][ T8500] ? prb_fill_curr_block+0x5d0/0x5d0 [ 68.420084][ T8500] packet_sendmsg+0x2413/0x52b0 [ 68.424930][ T8500] ? aa_sk_perm+0x316/0xaa0 [ 68.429424][ T8500] ? packet_cached_dev_get+0x250/0x250 [ 68.434868][ T8500] ? aa_af_perm+0x230/0x230 [ 68.439411][ T8500] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 68.444688][ T8500] ? packet_cached_dev_get+0x250/0x250 [ 68.450156][ T8500] sock_sendmsg+0xcf/0x120 [ 68.454549][ T8500] ____sys_sendmsg+0x331/0x810 [ 68.459335][ T8500] ? kernel_sendmsg+0x50/0x50 [ 68.464163][ T8500] ? do_recvmmsg+0x6c0/0x6c0 [ 68.468728][ T8500] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.474788][ T8500] ? mark_lock+0xf7/0x24c0 [ 68.479263][ T8500] ___sys_sendmsg+0xf3/0x170 [ 68.483825][ T8500] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.489084][ T8500] ? find_held_lock+0x2d/0x110 [ 68.493838][ T8500] ? sock_setsockopt+0x20e/0x26a0 [ 68.498837][ T8500] ? lock_downgrade+0x6d0/0x6d0 [ 68.503661][ T8500] ? rwlock_bug.part.0+0x90/0x90 [ 68.508660][ T8500] ? __local_bh_enable_ip+0x9c/0x110 [ 68.513918][ T8500] ? lockdep_hardirqs_on+0x79/0x100 [ 68.519092][ T8500] ? __fget_light+0x215/0x280 [ 68.523745][ T8500] __sys_sendmmsg+0x195/0x470 [ 68.528410][ T8500] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 68.533478][ T8500] ? __sys_setsockopt+0x31c/0x610 [ 68.538519][ T8500] ? __ia32_sys_recv+0x100/0x100 [ 68.543450][ T8500] __x64_sys_sendmmsg+0x99/0x100 [ 68.548532][ T8500] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.554402][ T8500] do_syscall_64+0x2d/0x70 [ 68.558792][ T8500] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.564657][ T8500] RIP: 0033:0x4473f9 [ 68.568526][ T8500] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.588116][ T8500] RSP: 002b:00007fff03c98f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 68.596601][ T8500] RAX: ffffffffffffffda RBX: 00000000004aae61 RCX: 00000000004473f9 [ 68.604565][ T8500] RDX: 000000000400004e RSI: 0000000020000d00 RDI: 0000000000000005 [ 68.612525][ T8500] RBP: 00007fff03c98fa0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 68.620469][ T8500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff03c98fb0 [ 68.628411][ T8500] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000